<?xml version="1.0" encoding="utf-8"?>
<!-- Copyright 2007 XBRL International. All Rights Reserved. -->
<xbrl 
xmlns="http://www.xbrl.org/2003/instance" 
xmlns:concept="http://xbrl.org/formula/conformance/example" 
xmlns:link="http://www.xbrl.org/2003/linkbase" 
xmlns:xlink="http://www.w3.org/1999/xlink" 
xmlns:iso4217="http://www.xbrl.org/2003/iso4217" 
xmlns:xbrldi="http://xbrl.org/2006/xbrldi"
xmlns:eg="http://xbrl.org/formula/conformance/example"
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" 
xsi:schemaLocation="
  http://xbrl.org/2006/xbrldi http://www.xbrl.org/2006/xbrldi-2006.xsd
"
>
  
  <link:schemaRef 
    xlink:type="simple" 
    xlink:href="bi-locational-dim-concepts.xsd"/>

  <context id="context">
    <entity>
      <identifier scheme="http://xbrl.org/entity/identification/scheme">AAA001</identifier>
    </entity>
    <period>
      <instant>2007-12-31</instant>
    </period>
    <scenario>
      <xbrldi:explicitMember dimension="eg:ExplDim1">eg:ExplDim1Mbr1</xbrldi:explicitMember>
    </scenario>
  </context>
  <eg:PriItem1 contextRef="context">abc</eg:PriItem1>
</xbrl>

